Vacuum Control For Print Head of A Printing System
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United States of America Patent
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N/A
Issued Date -
Feb 23, 2012
app pub date -
Aug 17, 2010
filing date -
Aug 17, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
According to an aspect of the disclosed subject matter, a controller to maintain negative pressure in a print head of a printing system includes: control loop feedback logic to receive a set point and an output of a vacuum sensor associated with the print head; a regulator coupled with an output of the feedback logic; and a driver coupled with the regulator and configured to output a drive signal to a pump, which is associated with the print head, responsive to an output of the regulator. According to another aspect of the disclosed subject matter, a vacuum control assembly for a printing system includes: a body having one or more associated accumulators; a pump coupled with the body; and one or more flexible tubes coupled with the one or more accumulators associated with the body and configured to restrict air flow within the vacuum control assembly.
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